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NVIDIA has released their alternate graphics drivers for OS X Yosemite 10.10.4. These are separate from the drivers Apple ships as standard, and should be considered experimental. These drivers have been known to solve OpenCL issues with certain applications, as well as providing better native GPU power management for certain devices.

NOTE: These drivers are currently the only method to get full acceleration for NVIDIA GeForce GTX 750, 750Ti, 960, 970, and 980 'Maxwell' graphics cards. There are no current Macs with these cards, so support is absent natively in OS X.

Any special considerations for using these drivers with an X99 build? I was having some boot issues with the last version, so i uninstalled them. I obviously don't need them with a 770, but I'm considering a 970, and would like to have stable drivers.

NOTE: In addition to setting nvda_drv=1 to NVRAM, as required by real Macs, NVIDIA now adds nvda_drv=1 kernel flag to /Extra/org.Chameleon.boot.plist automatically. There are no additional steps to take.

Didn't had success with my ASUS GeForce GTX 750 Ti OC 2GB DDR5 128-bit on Asrock z97 extreme 6 with i5 4690. I updated the system first then i installed drivers and now my screen goes to sleep after apple logo boot

Didn't had success with my ASUS GeForce GTX 750 Ti OC 2GB DDR5 128-bit on Asrock z97 extreme 6 with i5 4690. I updated the system first then i installed drivers and now my screen goes to sleep after apple logo boot